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In 1954, Dee Horton and Lew Hewitt invented the first sliding automatic door. The automatic door used a mat actuator. In 1960, they co-founded Horton Automatics Inc and placed the first commercial automatic sliding door on the market. [5] With the invention of the Gunn diode, microwave motion detectors became common in automatic doors in the ...
A door operator may be triggered in various ways: Approach Sensor (such as a radar sensor) - the door opens when a user approaches it. Pushbutton - the door opens when a user presses a button. Access control - the door opens when an access control system determines the user is authorized to go through. Automatically (in the case of elevators).
Retrieved from "https://en.wikipedia.org/w/index.php?title=Automatic_sliding_door&oldid=853912700"
Kellan couldn't believe his eyes when he spotted a tail-wagging puppy on the other side of his grandma's glass sliding door. At first, he was confused, asking whose dog it was.
Besam was an international supplier and manufacturer of automatic entrance equipment for commercial, health care and residential buildings owned by Assa Abloy. [1] The product portfolio included automatic doors, automatic swing doors, sliding doors and revolving doors, as well as air curtains and dedicated service and maintenance.
Ohio State offensive coordinator Chip Kelly watches warm-ups before the game against Indiana on Nov. 23, 2024. He is among USA TODAY Sports' most overpaid college football assistant coaches.
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